Quarterly report pursuant to Section 13 or 15(d)

Revenue - Disaggregation of Revenue - Expected Timing Of Satisfaction Period (Details)

v3.21.2
Revenue - Disaggregation of Revenue - Expected Timing Of Satisfaction Period (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Revenue, remaining performance obligation, amount $ 3,800 $ 4,196 $ 3,800 $ 4,196
Revenue from divested businesses 0 0 0 4,300
Disposal Group, Including Discontinued Operation, Revenue 0 $ 0 0 $ 4,300
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Revenue, remaining performance obligation, amount $ 1,509   $ 1,509  
Revenue, remaining performance obligation, expected timing of satisfaction, period 12 months   12 months